How do I write and explicit formula from this? Starting value 42000, 3% annual raises

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?